| Acronym | Definition |
|---|
| DDIS➣Diesel Direct Injection System |
| DDIS➣Dissociative Disorders Interview Schedule (mental health) |
| DDIS➣Direct Drive Systems (electrical engineering firm; France) |
| DDIS➣Diffractive Deep Inelastic Scattering (physics) |
| DDIS➣Direct Diesel injection System |
| DDIS➣Data Depository Index System (NASA) |
| DDIS➣Departmental Deposit Information Sheet (Texas Tech) |
| DDIS➣Darling Downs Internet Services (Gold Coast, Australia) |
| DDIS➣Digital Document Information System |